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- Applied the Transient Vibration Signal in Highway Engineering Tested 瞬态振动信号在公路工程检测中的应用
- transient vibration signals 暂态振动信号
- The proposed UWT effectively extracted the friction fault features of amplitude modulation and transient impact from vibration signal of a gearbox. 采用这种非抽样小波变换从齿轮箱的振动信号中有效提取幅值调制和瞬态冲击的摩擦故障特征。
- Flexible structures can have a long transient vibration when positioned quickly, which is harmful to their positioning speed and accurate tracking ability. 柔性结构在快速定位过程中容易产生长时间的瞬态振动而影响定位速度和精确度 ,因此必须对其进行主动控制。
- The former causes forced vibration at the circular frequency of the crank shaft and the latter causes transient vibration at the natural frequency of the press. 惯性力激发的振动是以曲轴转速为频率的强迫振动，加工力激发的是以压机固有频率为频率的过渡振动。
- The rotor-stator contact problem can be detected by monitoring the torsional vibration signals. 提出了从转子扭转振动的变化来诊断转静碰摩故障的方法，并探讨了此方法的可行性和有效性。
- Spectrum peaks were found in the lower frequency area of the vibration signals obtained from the compressor set. 摘要分析某压缩机组振动信号的频谱发现低频处具有较高的谱峰。
- Vibration signals collected from an automobile gearbox with an incipient tooth crack areused in the investigation. 研究中用到了从带初始齿裂纹的汽车变速箱中采集的震动信号。
- The experimental research results show that the method under discussion can effectively diagnose the vibration signals of a centrifugal pump. 实验研究结果表明,该方法可以有效地对离心泵振动信号进行诊断。
- Considering rotation machines like a motor, the vibration signals are of universal nonstationarity and the fault samples are usually very limited. 旋转机械如电机振动信号普遍存在非平稳性，同时对于某台设备已有的故障样本往往非常有限的。
- In complicated frequency components domain, wavelet scalogram and assigned wavelet scalogram were used to further analyze vibration signals. 在频率成分较复杂的地方，利用小波尺度图和再分配小波尺度图进行细化分析。
- This paper introduces a full period sampling method based on the resampling technology used in the sampling of rotor system vibration signals. 介绍了一种应用重采样技术的旋转机械振动信号的整周期采样方法。
- As a new method, VQ is introduced to vibration detecting method of slag on the basis of the ananysis of large amount of vibration signals. 在分析大量浇铸机构振动信号的基础上,创造性地把矢量量化技术引入钢水浇铸的下渣识别中。
- I also make the turbogenerator rubbing type of fault mechanism and the characteristics of vibration signals a certain understanding. 同时也使我对汽轮发电机组碰摩类故障的机理及其振动信号的特征有了一定的了解。
- Extensive experiments on rotor laboratorial platform show that the implementation meets the requirement of vibration signals analysis. 在转子实验台上的实验证明,该方法能够完全满足振动信号分析的要求,是非常有效和切实可行的。
- The power spectral density of gearbox vibration signals is estimated by the periodogram from which original feature sets are derived. 为了使诊断结果更好地可视化,利用遗传编程结果的固有随机性,提取两个新特征指标。
- The result of the application indicates that the characteristics of gear fault vibration signals can be extracted by EMD method efficiently. 研究结果表明,EMD方法可以有效地提取齿轮故障振动信号的特征。
- The AE signals from rolling bearing were processed by high-pass filter and demodulation and compared with vibration signals. 把声发射信号与振动信号作对比，通过高通滤波后再进行包络解调，结果表明声发射信号可以较早地诊断出故障，抗干扰性好。
- Analysis of Transient Vibration for Crossed-brace Used in Truck 货车过道岔时交叉支撑的瞬态振动分析与仿真
- The feature extraction and separation of vibration signals from mechanical faults are the most important and key steps in mechanical vibration diagnosis. 在机械故障的振动信号分析诊断中,故障特征信号的分离和提取是最重要和最关键的步骤之一。
